From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5D0771FE468; Tue, 29 Apr 2025 17:02:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745946176; cv=none; b=oOJ0SfMoPmllA0/LYFXtu3stQEM1orj2B9o+dowj4F88eJuH14eNh0YZa3TpSHoza0nXtBETVLK4+ACMMZlXsDHV/QzdtCZ1scEvqBLRdw1WJbEgpatmQRPNKLDDLj5D4AvpFDTOn54sl4caCCt6nu06r1jHhXFBHTd9VQ3889A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745946176; c=relaxed/simple; bh=l8fRDIY0Dr5oAPLOdiOFk/w34WVYlT0w0WdIGHe2B7M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hdcmRU/ivF7ng6/+UWfAJYd7dTSiHd2Q9CzIgKdbkMaRcjEmceuMZNee3D1IYSPpXoO5InARnFFoGcMg3tAKUJNjaEC9909YyY8afgWsKFkfUwvUA/3SvJH32OKIexcg9TGe65A3jNTroLUtLg5uPUDz2tJ8iHp9/yeCDqJtZEk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=O6BkxCBR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="O6BkxCBR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D108AC4CEE3; Tue, 29 Apr 2025 17:02:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745946176; bh=l8fRDIY0Dr5oAPLOdiOFk/w34WVYlT0w0WdIGHe2B7M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O6BkxCBRVNsrdE1enJYANkpCNuQX2zEX/tPPdAwmLWyEECbyXCQqXQtV7ZL4oHwJb nWifaHSfsPqt3pywv7NZM8znuqDy4RHjKWXbopKWyPoWR3wtiPaV3Di2Vdk0nz1z6a Ezn1FUURYXTnzCNLE0HrqDqEfWNnt87Cp8TkzpBQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Chenyuan Yang , Geert Uytterhoeven , Matthias Brugger , Sasha Levin Subject: [PATCH 6.14 179/311] pinctrl: renesas: rza2: Fix potential NULL pointer dereference Date: Tue, 29 Apr 2025 18:40:16 +0200 Message-ID: <20250429161128.357783319@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250429161121.011111832@linuxfoundation.org> References: <20250429161121.011111832@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chenyuan Yang [ Upstream commit f752ee5b5b86b5f88a5687c9eb0ef9b39859b908 ] `chip.label` in rza2_gpio_register() could be NULL. Add the missing check. Signed-off-by: Chenyuan Yang Reviewed-by: Geert Uytterhoeven Reviewed-by: Matthias Brugger Link: https://lore.kernel.org/20250210232552.1545887-1-chenyuan0y@gmail.com Signed-off-by: Geert Uytterhoeven Signed-off-by: Sasha Levin --- drivers/pinctrl/renesas/pinctrl-rza2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pinctrl/renesas/pinctrl-rza2.c b/drivers/pinctrl/renesas/pinctrl-rza2.c index 8b36161c7c502..3b58129638500 100644 --- a/drivers/pinctrl/renesas/pinctrl-rza2.c +++ b/drivers/pinctrl/renesas/pinctrl-rza2.c @@ -246,6 +246,9 @@ static int rza2_gpio_register(struct rza2_pinctrl_priv *priv) int ret; chip.label = devm_kasprintf(priv->dev, GFP_KERNEL, "%pOFn", np); + if (!chip.label) + return -ENOMEM; + chip.parent = priv->dev; chip.ngpio = priv->npins; -- 2.39.5